[Antennas] RE: Strange Antenna ?????

Mon Oct 18 17:17:15 EDT 2004

The ARRL'sWire Antenna Classics (1999-2002) describes an 80 meter 
version of the Cage antenna
Harvey&Bessie wrote:
> That appears to be a cage antenna. The characteristic of a cage like 
> that: broadbanding. Almost like that of the bi-conic dipole. You are 
> right, there is very little information on that antenna in any of the 
> amateur publications. It was popular among those who had frequency 
> asignments space a little too far apart for a single dipole, who 
> didn't want to put up dipoles for each or several frequencies. The 
> antenna electrically "looks" like a very large diameter conductor. The 
> broader banded we make such an antenna, the nearer the center (feed 
> impedance comes to 377 ohms. thus, 300-ohm feeders work quite well 
> without any additional matching.
> Harvey/W4TG
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